Adding Python 3.5 on Travis.

Also removing unit tests on Travis for Python 3.4 (to keep the builds fast, if possible).

Author: dhermes

.travis.yml

@@ -1,12 +1,19 @@
 language: python
 sudo: false
 
+addons:
+ apt:
+ sources:
+ - deadsnakes
+ packages:
+ - python3.5
+
 install:
  - pip install --upgrade pip tox
 
 script:
  - python2.7 scripts/run_unit_tests.py
- - python3.4 scripts/run_unit_tests.py
+ - python3.5 scripts/run_unit_tests.py
  - python scripts/run_unit_tests.py --tox-env cover
  - tox -e lint
  - tox -e system-tests